Learn about the structures and substructures of a sugar maple tree with this drag and drop game.

Build-A-Tree is a drag and drop game where players are tasked with assembling a sugar maple tree across different seasons from a set of structures. Players may then attempt case studies where a problem with the tree must be linked to the structure affected.
| Rank | Username | Points |
|---|---|---|
| 1 | ssdow | 14 |
| 2 | curlyfly | 13 |
| 3 | patryk10072003 | 10 |
| 4 | min | 10 |
| 5 | mariammasunny | 10 |
| 6 | JResnick | 9 |
| 7 | ajochimsen | 9 |
| 8 | imsai | 8 |
| 9 | gretchenwright | 8 |
| 10 | 19zvanderhyden | 7 |